<template>
  <div class="app-container">
    <!--查询表单-->
    <el-form :inline="true" class="demo-form-inline">
      <el-form-item>
        <el-input v-model="teacherQuery.name" placeholder="讲师名"/>
      </el-form-item>

      <el-form-item>
        <el-select v-model="teacherQuery.level" clearable placeholder="讲师头衔">
          <el-option :value="1" label="高级讲师"/>
          <el-option :value="2" label="首席讲师"/>
        </el-select>
      </el-form-item>

      <el-form-item label="添加时间">
        <el-date-picker
          v-model="teacherQuery.begin"
          type="datetime"
          placeholder="选择开始时间"
          value-format="yyyy-MM-dd HH:mm:ss"
          default-time="00:00:00"
        />
      </el-form-item>
      <el-form-item>
        <el-date-picker
          v-model="teacherQuery.end"
          type="datetime"
          placeholder="选择截止时间"
          value-format="yyyy-MM-dd HH:mm:ss"
          default-time="00:00:00"
        />
      </el-form-item>
      <el-button type="primary" icon="el-icon-search" @click="fetchData()">查询</el-button>
      <el-button type="default" @click="resetData()">清空</el-button>
    </el-form>
    <!-- 表格 -->
    <!--  v-loading="listLoading"   -->
    <el-table :data="list" element-loading-text="数据加载中" border fit highlight-current-row>
      <el-table-column label="序号" width="70" align="center">
        <template slot-scope="scope">
          {{ (page - 1) * limit + scope.$index + 1 }}
        </template>
      </el-table-column>
      <el-table-column prop="name" label="名称" width="80"/>
      <el-table-column label="头衔" width="80">
        <template slot-scope="scope">
          {{ scope.row.level === 1 ? '高级讲师' : '首席讲师' }}
        </template>
      </el-table-column>
      <el-table-column prop="intro" label="资历"/>
      <el-table-column prop="gmtCreate" label="添加时间" width="160"/>
      <el-table-column prop="sort" label="排序" width="60"/>
      <el-table-column label="操作" width="200" align="center">
        <template slot-scope="scope">
          <router-link :to="'/teacher/edit/'+scope.row.id">
            <el-button type="primary" size="mini" icon="el-icon-edit">修改</el-button>
          </router-link>
          <el-button type="danger" size="mini" icon="el-icon-delete" @click="removeDataById(scope.row.id)">删除
          </el-button>
        </template>
      </el-table-column>
    </el-table>
    <!-- 分页 -->
    <el-pagination
      :current-page="page"
      :page-size="limit"
      :total="total"
      style="padding: 30px 0; text-align: center;"
      layout="total, prev, pager, next, jumper"
      @current-change="fetchData"
    />
  </div>
</template>

<script>
import {getTeacherListPage, removeDataById} from "@/api/edu/teacher";

export default {
  name: "index",
  data() {
    return {
      page: 1,//当前页
      limit: 5,//每页显示数据条数
      teacherQuery: {},//条件封装的对象
      list: null,//查询之后返回的数据集合
      total: 0,//总记录数
    }
  },
  created() {
    this.getTeacherListPage();
  },
  methods: {
    //获取讲师集合
    getTeacherListPage(page = 1) {
      getTeacherListPage(page, this.limit, this.teacherQuery).then(res => {
        this.list = res.data.records;
        this.total = res.data.total;
      }).catch(err => {
        console.log(err)
      });
    },
    //切换页码,多条件分页查询
    fetchData(page=1) {
      this.page = page;
      this.getTeacherListPage(page, this.limit, this.teacherQuery);
    },
    //清空查询对象
    resetData() {
      this.teacherQuery = {};
      this.getTeacherListPage();
    },
    //删除讲师
    removeDataById(id) {
      //提示删除


      // console.log(memberId)
      this.$confirm('此操作将永久删除讲师记录, 是否继续?', '提示', {
        confirmButtonText: '确定',
        cancelButtonText: '取消',
        type: 'warning'
      }).then(() => {
        return removeDataById(id);
      }).then(() => {
        //提示信息
        if (this.list.length === 1 && this.page !== 1) {
          this.page -= 1;
        }
        this.fetchData(this.page);
        this.$message({
          type: 'success',
          message: '删除成功!'
        })
      }).catch((response) => { // 失败
        if (response !== 'cancel') {
          this.$message({
            type: 'error',
            message: '删除失败'
          })
        }
      })

    }
  }

}
</script>

<style scoped>

</style>
